Charlie Thorne and the Last Equation

Stuart Gibbs introduces Charlie Thorne, a thrilling new middle-grade series about an incredibly intelligent young girl thrust into a high-stakes global adventure. Charlie, a pre-teen genius, is recruited by the CIA to decipher Albert Einstein's last, most dangerous equation, which could either save or destroy the world. She must race against a sinister organization, the Furies, navigating a world where trust is a luxury and danger lurks at every turn. This fast-paced novel is perfect for readers aged 10-14 who enjoy action, mystery, and a smart, capable protagonist. It encourages critical thinking and problem-solving while delivering non-stop excitement.

“Fast-paced, smart, and action-packed...a real page-burner.” —Chris Grabenstein, #1 New York Times bestelling author of the Mr. Lemoncello’s Library series A 2020 Texas Lone Star Reading List Pick From New York Times bestselling author Stuart Gibbs comes the first novel in a thrilling new series about the world’s youngest and smartest genius who’s forced to use her unbelievable code-breaking skills to outsmart Einstein. Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now it’s up to her to save the world… Decades ago, Albert Einstein devised an equation that could benefit all life on earth—or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first—even though this means placing her life in grave danger. In a breakneck adventure that spans the globe, Charlie must crack a complex code created by Einstein himself, struggle to survive in a world where no one can be trusted, and fight to keep the last equation safe once and for all.